diff options
Diffstat (limited to 'libc-top-half/musl/src/signal/sigismember.c')
| -rw-r--r-- | libc-top-half/musl/src/signal/sigismember.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/signal/sigismember.c b/libc-top-half/musl/src/signal/sigismember.c new file mode 100644 index 0000000..ab87d62 --- /dev/null +++ b/libc-top-half/musl/src/signal/sigismember.c @@ -0,0 +1,8 @@ +#include <signal.h> + +int sigismember(const sigset_t *set, int sig) +{ + unsigned s = sig-1; + if (s >= _NSIG-1) return 0; + return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1)); +} |